2013 produced 119 #1s across six music shows, shared by 45 artists and 62 songs.
The most wins went to Exo (11), followed by Shinee (7) and 2NE1 (7).
The most-awarded song was “Man In Love” by Infinite with 4 wins on 4 shows, then “Gentleman” with 4.
No song swept five or more shows.
First-ever music show wins went to Girls' Generation, Baechigi, Sistar19, Davichi, Cho Yong-pil, Roy Kim and 17 more — 23 artists in total.
Counts are recomputed every morning from each show's published results (Wikipedia lists, CC BY-SA). Weeks without a broadcast or record are shown in grey; dates open episode pages.